3 files changed, 223 insertions, 1 deletions

diff --git a/js/lib/nj-utils.js b/js/lib/nj-utils.js
new file mode 100644
index 00000000..59ea6095
--- /dev/null
+++ b/js/lib/nj-utils.js
@@ -0,0 +1,214 @@
+/* <copyright>
+This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
+No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
+(c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
+</copyright> */
+
+var Montage = require("montage/core/core").Montage,
+    Component   = require("montage/ui/component").Component,
+    ElementModel        = require("js/models/element-model").ElementModel,
+    Properties3D    = require("js/models/properties-3d").Properties3D,
+    ShapeModel    = require("js/models/shape-model").ShapeModel,
+    ControllerFactory   = require("js/controllers/elements/controller-factory").ControllerFactory;
+
+exports.NJUtils = Montage.create( Component, {
+    
+    
+    
+    /* =============== DOM Access ================ */
+    
+    ///// Quick "getElementById"
+    $ : {
+        value: function(id) {
+            return document.getElementById(id);            
+        }
+    },
+    
+    ///// Quick "getElementsByClassName" which also returns as an Array
+    ///// Can return as NodeList by passing true as second argument
+    $$ : {
+        value: function(className, asNodeList) {
+            var list = document.getElementsByClassName(className);
+            return (asNodeList) ? list : this.toArray(list);
+        }
+    },
+    
+    ///// Get child nodes of element
+    ///// Omit filter to only return element nodes
+    ///// Pass in filter function to minimize collection, or
+    ///// set to true to include all nodes
+    children : {
+        value : function(el, filter) {
+            var f = filter || function(item) {
+                        return item.nodeType === 1;
+                };
+                return this.toArray(el.childNodes).filter(f);
+        }
+    },
+    
+     /* ============= DOM Manipulation ============= */
+    
+    ///// Creates and returns text node from string
+    textNode : {
+        value: function(text) {
+            return document.createTextNode(text);
+        }
+    },
+    
+    ///// Quick "createElement" function "attr" can be classname or object
+    ///// with attribute key/values
+    make : {
+        value: function(tag, attr) {
+            var el = document.createElement(tag);
+            if (typeof attr === 'object') {
+                for (var a in attr) {
+                    if (attr.hasOwnProperty(a)) {
+                        el[a] = attr[a];
+                    }
+                }
+            } else if (typeof attr === 'string') {
+                el.className = (el.className + ' ' + attr).trim();
+            }
+            
+            return el;
+        }
+    },
+
+    ///// Element factory function for Ninja Elements
+    ///// selection is the string displayed in the PI
+    makeNJElement: {
+        value: function(tag, selection, controller, attr, isShape) {
+            var el = this.make(tag, attr);
+            this.makeElementModel(el, selection, controller, isShape);
+
+            return el;
+        }
+    },
+
+    ///// Element Model creation for existing elements
+    ///// TODO: find a different place for this function
+    makeElementModel: {
+        value: function(el, selection, controller, isShape) {
+            var p3d = Montage.create(Properties3D).init(el);
+            var shapeProps = null;
+            if(isShape) {
+                shapeProps = Montage.create(ShapeModel);
+            }
+
+            el.elementModel = Montage.create(ElementModel, {
+                    type:       { value: el.nodeName},
+                    selection:  { value: selection},
+                    controller: { value: ControllerFactory.getController(controller)},
+                    pi:         { value: controller + "Pi"},
+                    props3D:    { value: p3d},
+                    shapeModel: { value: shapeProps}
+            });
+
+        }
+    },
+
+    ///// Element Model creation for existing elements based on element type.
+    ///// TODO: find a different place for this function and return different element models based on type.
+    makeElementModel2: {
+        value: function(el) {
+            this.makeElementModel(el, "Div", "block", false);
+        }
+    },
+
+    ///// Removes all child nodes and returns node
+    ///// Accepts a single node, or an array of dom nodes
+    empty : {
+        value: function(node) {
+            var elements = [],
+                self = this;
+            if (node.constructor === Array) {
+                node.forEach(function(el) { self.empty(el) });
+            } else {
+                this.toArray(node.childNodes).forEach(function(child) {
+                    child.parentNode.removeChild(child);
+                });
+            }
+
+            return node;
+        }
+    },
+    
+    queryParentSelector : {
+        value: function(el, strSelector) {
+                        // queryParentSelector:
+                        // Given a DOM element el (required), walk up the DOM tree
+                        // and find the first parent that matches selector strSelector (required).
+                        // Returns: The element that matches, or false if there is no match
+                        // or if insufficient parameters are supplied.
+                        
+                        if ((typeof(el) === "undefined") || (typeof(strSelector) === "undefined")) {
+                                // Parameters are required, m'kay?
+                                return false;
+                        } else if ((typeof(el) !== "object") || (typeof(strSelector) !== "string" )) {
+                                // You also have to use the right parameters.
+                                return false;
+                        }
+                        
+                        // First, get an empty clone of the parent.
+                        var myParent = el.parentNode;
+                        var clone = myParent.cloneNode(false);
+                        if (clone === null) {
+                                return false;
+                        }
+                        
+                        // If we're at the top of the DOM, our clone will be an htmlDocument.
+                        // htmlDocument has no tagName.
+                        if (typeof(clone.tagName) !== "undefined") {
+                                // create a bogus div to use as a base for querySelector
+                                var temp = document.createElement("div");
+                                
+                                // Append the clone to the bogus div
+                                temp.appendChild(clone);
+                                
+                                // Now we can use querySelector!  Sweet.
+                                var selectorTest = temp.querySelector(strSelector);
+                                
+                                // What has querySelector returned?
+                                if (selectorTest === null) {
+                                        // No match, so recurse.
+                                        return this.queryParentSelector(myParent, strSelector);
+                                } else {
+                                        // Match! Return the element.
+                                        return myParent;
+                                }
+                        } else {
+                                // We're at the top of the DOM so we're done.
+                                return false;
+                        }
+                }
+        
+    },
+
+    /* ================= Style methods ================= */
+    
+    ///// Get computed height of element
+    height : {
+        value: function(node, pseudo) {
+            return node.ownerDocument.defaultView.getComputedStyle(node, pseudo).getPropertyValue('height');
+        }
+    },
+    
+    /* ================= Array methods ================= */
+
+    ///// Return an array from an array-like object
+    toArray : {
+        value: function(arrayLikeObj) {
+            return Array.prototype.slice.call(arrayLikeObj);
+        }
+    },
+    
+    /* ================= String methods ================= */
+    
+    ///// Return the last part of a path (e.g. filename)
+    getFileNameFromPath : {
+        value: function(path) {
+            return path.substr(path.lastIndexOf('/') + 1);
+        }
+    }
+    
+});
diff --git a/js/ninja.reel/ninja.html b/js/ninja.reel/ninja.html
index 706c8243..f3ff3d58 100644
--- a/js/ninja.reel/ninja.html
+++ b/js/ninja.reel/ninja.html
@@ -259,6 +259,11 @@
                 "name": "NewFileWorkflowController"
             },
 
+            "njUtils": {
+                "module":"js/lib/nj-utils",
+                "name": "NJUtils"
+            },
+
             "owner": {
                 "module": "js/ninja.reel",
                 "name": "Ninja",
@@ -279,7 +284,8 @@
                     "stylesController":     {"@": "stylesController"},
                     "filePickerController": {"@": "filePickerController"},
                     "newFileController":    {"@": "newFileController"},
-                    "documentBar":          {"@": "documentBar"}
+                    "documentBar":          {"@": "documentBar"},
+                    "njUtils":              {"@": "njUtils"}
                 }
             }
 
diff --git a/js/ninja.reel/ninja.js b/js/ninja.reel/ninja.js
index 465533cd..7115b228 100644
--- a/js/ninja.reel/ninja.js
+++ b/js/ninja.reel/ninja.j